Finding the Fourth Proportional to 25,301.57, 34,915.22 and 13,970.82

Step by Step Solution

1. Step 1: Write the proportion equation
   25,301.57 : 34,915.22 = 13,970.82 : x
2. Step 2: Convert to fraction form
   25,301.57/34,915.22 = 13,970.82/x
3. Step 3: Cross multiply
   25,301.57x = 34,915.22 × 13,970.82
4. Step 4: Simplify right side
   25,301.57x = 487,794,253.88
5. Step 5: Solve for x
   x = 487,794,253.88/25,301.57
6. Step 6: Final answer
   x = 19,279.21